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1-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride

1-(4-氯苯基)-5-(三氟甲基)-1H-吡唑-4-羰酰氯

Also known as: 2-(4-chlorophenyl)-3-(trifluoromethyl)pyrazole-4-carbonyl chloride, 1-(4-chlorophenyl)-5-(trifluoromethyl)pyrazole-4-carbonyl chloride, 1-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride, MFCD00068143, TIMTEC-BB SBB001267

1-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride (CAS 175137-19-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H5Cl2F3N2O and a molecular weight of 309.07100 g/mol. It is also known as 2-(4-chlorophenyl)-3-(trifluoromethyl)pyrazole-4-carbonyl chloride, 1-(4-chlorophenyl)-5-(trifluoromethyl)pyrazole-4-carbonyl chloride and MFCD00068143. Key properties include a melting point of 51 °C, a boiling point of 120 °C, a density of 1.361g/cm3 and a flash point of 252.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
175137-19-6
Jingsj CID
J-48334-2
Molecular Formula
C11H5Cl2F3N2O
Chinese Name
1-(4-氯苯基)-5-(三氟甲基)-1H-吡唑-4-羰酰氯
Molecular Weight
309.07100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point51 °C
Boiling Point120 °C
Density1.361g/cm3
Flash Point252.5ºC

Frequently Asked Questions

What is the CAS number of 1-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride?

The CAS number of 1-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride is 175137-19-6.

What are the molecular formula and molecular weight of 1-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride?

1-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride has molecular formula C11H5Cl2F3N2O and molecular weight 309.07100 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride (CAS 175137-19-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48334-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.